feat!: sensitive actions need a fresh passkey touch (elevation windows), plus login page hint cleanup [CI]

backend/src/MoShiro.Backend.Application/ApplicationServiceCollectionExtensions.cs

@@ -37,6 +37,7 @@ public static class ApplicationServiceCollectionExtensions
         services.AddSingleton<AuthService>();
         services.AddSingleton<PasskeyService>();
         services.AddSingleton<AuditService>();
+        services.AddSingleton<ElevationService>();
         services.AddSingleton<SettingsService>();
         services.AddSingleton<ReleaseService>();
         services.AddSingleton<ScheduleService>();